591651157216 has 96 divisors (see below), whose sum is σ = 1409775192000. Its totient is φ = 238606319616.

The previous prime is 591651157213. The next prime is 591651157217. The reversal of 591651157216 is 612751156195.

It is a self number, because there is not a number n which added to its sum of digits gives 591651157216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (591651157213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29208660 + ... + 29228908.

It is an arithmetic number, because the mean of its divisors is an integer number (14685158250).

Almost surely, 2^591651157216 is an apocalyptic number.

591651157216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 591651157216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (704887596000).

591651157216 is an abundant number, since it is smaller than the sum of its proper divisors (818124034784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

591651157216 is a wasteful number, since it uses less digits than its factorization.

591651157216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27956 (or 27948 counting only the distinct ones).

The product of its digits is 567000, while the sum is 49.

The spelling of 591651157216 in words is "five hundred ninety-one billion, six hundred fifty-one million, one hundred fifty-seven thousand, two hundred sixteen".